Aspects relate to implementing multiplexing with a single carrier waveform. In some examples, a total bandwidth may be divided into a plurality of bandwidth parts (BWPs), each including a plurality of tones. Each of the BWPs may further be divided into two or more interlaces, where each interlace includes a respective number of interleaved tones. A base station may assign each of a plurality of UEs a respective set of one or more interlaces within at least one BWP for multiplexing communication with the base station.
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2. The method of claim 1, wherein the total bandwidth comprises a set of frequencies above 52.6 gigahertz.
This invention relates to wireless communication systems operating at high frequencies, specifically addressing challenges in managing bandwidth allocation for efficient data transmission. The method involves dynamically adjusting the total bandwidth used for communication, where the bandwidth is divided into multiple frequency segments. Each segment is assigned to different communication links based on their data requirements, ensuring optimal resource utilization. The method further includes monitoring the quality of each communication link and dynamically reallocating bandwidth segments to maintain high performance. The invention is particularly useful in high-frequency bands, such as those above 52.6 gigahertz, where signal propagation and interference management are critical. By dynamically allocating bandwidth, the system adapts to varying channel conditions, improving overall throughput and reliability. The method also includes techniques for minimizing interference between adjacent frequency segments, ensuring stable communication links. This approach is beneficial in dense network environments where multiple devices compete for limited spectral resources. The invention enhances spectral efficiency and supports high-data-rate applications in emerging wireless technologies.
5. The method of claim 4, wherein spacing between respective interleaved tones of each of the two or more interlaces varies between the two or more interlaces.
6. The method of claim 1, wherein spacing between respective interleaved tones of each of the interlaces is equal.
This invention relates to signal processing, specifically to methods for interleaving tones in communication systems to mitigate interference and improve signal integrity. The problem addressed is the need for precise spacing between interleaved tones to ensure reliable data transmission in environments with multipath interference or co-channel interference. The method involves interleaving multiple sets of tones, where each set (interlace) is spaced apart from others to reduce overlap and interference. The key innovation is that the spacing between respective interleaved tones within each interlace is equal, ensuring uniform distribution and minimizing collisions. This equal spacing helps maintain orthogonality between tones, reducing inter-symbol interference and improving error correction capabilities. The technique is particularly useful in wireless communication systems, such as OFDM (Orthogonal Frequency-Division Multiplexing), where precise tone placement is critical for maintaining signal integrity. By ensuring equal spacing, the method enhances spectral efficiency and robustness against channel distortions. The approach may also be applied in wired communication systems where interference mitigation is required. The equal spacing constraint simplifies implementation while optimizing performance in noisy or congested environments.
10. The method of claim 1, wherein the at least one bandwidth part associated with at least one of the sets of one or more interlaces comprises two or more contiguous bandwidth parts of the plurality of bandwidth parts.
This invention relates to wireless communication systems, specifically methods for managing bandwidth parts (BWPs) and interlaces in a communication network. The problem addressed is the efficient allocation and utilization of bandwidth resources to improve communication performance and reduce interference. The method involves configuring multiple sets of interlaces, where each interlace represents a subset of available frequency resources. Each set of interlaces is associated with at least one bandwidth part (BWP), which is a configurable portion of the overall system bandwidth. The key innovation is that at least one of these BWPs can be composed of two or more contiguous BWPs from a plurality of BWPs. This allows for flexible and dynamic resource allocation, enabling better adaptation to varying network conditions and traffic demands. By grouping contiguous BWPs into a single logical BWP, the method simplifies resource management and reduces signaling overhead. This approach also enhances spectral efficiency and supports more efficient interference mitigation strategies. The method is particularly useful in scenarios where different BWPs have varying characteristics, such as different subcarrier spacings or numerologies, allowing for optimized resource utilization across different communication scenarios. The technique is applicable in both uplink and downlink communications, improving overall system performance and reliability.
14. The base station of claim 13, wherein spacing between respective interleaved tones of each of the two or more interlaces varies between the two or more interlaces.
This invention relates to wireless communication systems, specifically improving spectral efficiency and interference mitigation in multi-user environments. The technology addresses the challenge of efficiently allocating frequency resources in orthogonal frequency-division multiplexing (OFDM) systems where multiple users share the same frequency band. Traditional fixed interlace patterns can lead to interference and suboptimal resource utilization. The invention describes a base station configured to transmit data using multiple interlaces, where each interlace consists of a set of interleaved tones spaced across the available frequency spectrum. The key improvement is that the spacing between tones within each interlace can vary between different interlaces. This variable spacing allows for more flexible resource allocation, reducing interference between users and improving overall system performance. The base station dynamically adjusts the tone spacing based on factors such as channel conditions, user requirements, or interference levels, enabling better adaptation to varying network conditions. This approach enhances spectral efficiency by optimizing the distribution of tones across the frequency band, particularly in scenarios with multiple users or high interference. The system may also include mechanisms to coordinate interlace assignments between base stations to further minimize interference in multi-cell deployments.
15. The base station of claim 11, wherein spacing between respective interleaved tones of each of the interlaces is equal.
This invention relates to wireless communication systems, specifically to base stations that use interlaced tone spacing in orthogonal frequency-division multiplexing (OFDM) or similar multicarrier modulation schemes. The problem addressed is optimizing spectral efficiency and interference management in wireless networks by controlling the spacing between interleaved tones in different interlaces. Interlaces are subsets of subcarriers in an OFDM system, where each interlace contains tones spaced at regular intervals across the frequency band. Unequal spacing between tones in different interlaces can lead to inefficient spectrum utilization or increased interference between adjacent cells. The invention improves upon this by ensuring that the spacing between respective interleaved tones of each interlace is equal. This means that within any given interlace, the frequency separation between adjacent tones is uniform, which helps maintain consistent performance across the band. The base station transmits signals using these uniformly spaced interlaces, allowing for better coordination between cells and reduced interference. This technique is particularly useful in heterogeneous networks where multiple base stations operate in close proximity. The equal spacing also simplifies resource allocation and scheduling, as the system can predict and manage interference patterns more effectively. The invention may be applied in 5G, Wi-Fi, or other wireless standards that use multicarrier modulation.
21. The base station of claim 20, wherein spacing between respective interleaved tones of each of the two or more interlaces varies between the two or more interlaces.
This invention relates to wireless communication systems, specifically improving spectral efficiency and interference mitigation in orthogonal frequency-division multiplexing (OFDM) or similar multicarrier modulation schemes. The problem addressed is the need to optimize tone spacing in multi-interlace configurations to reduce interference and enhance data throughput in dense deployment scenarios. The invention describes a base station configured to transmit data using multiple interlaces, where each interlace consists of a set of interleaved tones. The key innovation is that the spacing between tones within each interlace can vary across different interlaces. This variable spacing allows for flexible allocation of subcarriers, enabling better interference coordination between adjacent cells or sectors. By adjusting the tone spacing dynamically, the system can avoid fixed interference patterns, improving overall network performance. The base station may implement this by selecting different spacing patterns for each interlace based on channel conditions, network load, or interference levels. This approach can be applied in both uplink and downlink transmissions, supporting various wireless standards such as 5G NR or Wi-Fi. The variable spacing helps mitigate co-channel interference while maintaining orthogonality between subcarriers, leading to more efficient spectrum utilization. The invention also supports backward compatibility with existing systems by allowing configurable spacing parameters.
22. The base station of claim 18, wherein spacing between respective interleaved tones of each of the interlaces is equal.
This invention relates to wireless communication systems, specifically to base stations that use interlaced tone transmission to mitigate interference in shared spectrum environments. The problem addressed is interference between adjacent wireless networks operating in the same frequency band, which can degrade performance and reduce data rates. The invention improves upon prior art by using interlaced tone spacing to reduce interference while maintaining efficient spectrum utilization. The base station transmits data using multiple interlaces, where each interlace consists of a subset of tones spaced across the available frequency band. The key improvement is that the spacing between tones within each interlace is equal, ensuring uniform distribution and minimizing overlap with adjacent networks' transmissions. This equal spacing helps avoid concentrated interference while allowing multiple networks to coexist in the same spectrum. The system dynamically assigns interlaces to different users or services, optimizing throughput and reliability. The equal spacing also simplifies signal processing and synchronization, reducing computational overhead. This approach is particularly useful in dense deployment scenarios where multiple base stations operate in close proximity. The invention enhances spectral efficiency and interference mitigation compared to traditional orthogonal frequency-division multiplexing (OFDM) systems.
27. The article of claim 26, wherein spacing between respective interleaved tones of each of the two or more interlaces varies between the two or more interlaces.
This invention relates to signal processing techniques for managing interference in communication systems, particularly in scenarios involving multiple interlaced tones. The problem addressed is the need to reduce interference between adjacent communication channels or signals when using interlaced tone structures, which are commonly employed in wireless and wired communication systems to improve spectral efficiency. The invention describes a method for generating or processing signals where two or more interlaces of tones are used, with each interlace containing a set of tones spaced at specific intervals. The key innovation is that the spacing between the interleaved tones within each interlace can be varied between the different interlaces. This variation in spacing helps mitigate interference by ensuring that tones from different interlaces do not overlap or collide in the frequency domain, thereby improving signal integrity and reducing crosstalk. The technique can be applied in various communication systems, including but not limited to orthogonal frequency-division multiplexing (OFDM) systems, where multiple subcarriers are used to transmit data. By adjusting the tone spacing between interlaces, the system can dynamically adapt to changing interference conditions, optimizing performance in both uplink and downlink communications. The invention may also be used in multi-user environments where different users or devices share the same frequency band, ensuring that their signals do not interfere with one another. The flexibility in tone spacing allows for better resource allocation and interference management, leading to more reliable and efficient data transmission.
28. The article of claim 25, wherein spacing between respective interleaved tones of each of the interlaces is equal.
This invention relates to a method for generating and processing interlaced tones in a communication system, particularly for improving signal quality and reducing interference. The system addresses the problem of signal distortion and interference in communication channels where multiple tones are transmitted simultaneously. The invention involves interleaving tones in a structured manner to mitigate these issues. The method includes generating a plurality of interlaces, where each interlace consists of a set of tones spaced at regular intervals. The tones from different interlaces are interleaved such that the spacing between respective tones of each interlace is equal. This equal spacing ensures uniform distribution of tones across the frequency spectrum, reducing collisions and interference between adjacent tones. The interleaved tones are then transmitted over a communication channel, where the structured spacing helps maintain signal integrity and improves reception quality. The invention also includes a receiver configured to process the interleaved tones by demodulating and decoding the received signals. The receiver is designed to account for the structured spacing of the tones, allowing for accurate signal recovery even in the presence of noise and interference. The equal spacing between interleaved tones ensures that the receiver can efficiently separate and process each tone, enhancing overall system performance. This approach is particularly useful in high-density communication systems where multiple signals must coexist without significant degradation.
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July 13, 2020
November 22, 2022
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